一般现在时的动词形式结构
一.联系动词be (am ,is ,are)
二.行为动词 1.动词原形
2.动词三单形式.
一般现在时常见标志
一.频度副词always,usually,often, sometimes, seldom,hardlyever,never,
二.表频率的短语everyweek/day/year/month...
once a week,twice a year
everythree days
三. in themorning/afternoon/evening/at night/at noon
四.onSundays
五. on we————ekends
六. after dinner/before binner/after school
七. at 5 o'clock